/*
XPTracker - Alternative Agile Tracking Tool
Copyright (C) 2006-2009  Stephen Starkey

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
package org.xptracker.util;

import junit.framework.TestCase;

import java.util.Arrays;
import java.util.Collection;

public class FilterTest extends TestCase {
  private Integer one = 1;
  private Integer two = 2;
  private Integer three = 3;
  private Integer four = 4;
  private Integer five = 5;

  public void testFilter() throws Exception {
    Collection<Integer> numbers = Arrays.asList(one, three, four, five, two);
    Collection<Integer> results = CollectionUtils.doFilter(numbers, new Predicate<Integer>() {
      public boolean qualifies(Integer t) {
        return t <= 2;
      }
    });
    assertEquals(2, results.size());
    assertTrue(results.remove(one));
    assertTrue(results.remove(two));
    assertTrue(results.isEmpty());
  }
}
